Yes, "So" the thing you did wrong was to buy an Apple product to begin with, (yes, "Really".) but I won't RANT about that.
The reason your Apple laptop, or desktop, USB socket won't charge the Note 2 or Note 3 or only charges ALL devices slower, is because, like everything ELSE made by Apple, they made it proprietorial and they purposely refused to follow any and all, (Established for a REASON) Engineering Standards & Best Practices, in order to comply with their company creed: "make it different -worse".
Sorry, a RANT slipped out.
Anyway, the problem is the Amperage. Apple's USB 2.0 port will only supply 500mA (HALF an amp) to your phone, reason being, because it's a freaking Apple, (yes, "Really"). See, all other USB 2.0 ports, other than Apple's, will supply a Standard 500mA default, but the connected device is allowed to pull up to 900mA. If you connect a Note 2, or Note 3, to a PC's USB port, the phone will ask the USB port to deliver about 850mA, the USB port will comply, and the phone will often pay for dinner.
Your Note 2, and Note 3, intelligent electronics are actually asking your McApple computer the exact same thing, but as is the case with everything Apple, :::::coughincludingtheownerscough::::: it refuses to hear anything from any other source outside itself. Thus, even though the phone is not asking for anything special, "Come on, cough up 850mA, you've GOT IT RIGHT THERE, you're not even using it!" the McApple is saying, "mmmmmmmmmmmmmmmmmmmm
NO!!" (with an attitude of course).
Regarding USB 3.0 power, those specs are a LOT HIGHER, (like 4 whole amps higher) but, (need I say it again...) your Apple product is busy "thinking diferrent" (sic) and does not respect USB 3.0 specs, any more than it does USB 2.0 specs, or for that matter; you.
A USB 3.0 port on a McApple CAN and WILL supply higher amperage, by the way, but it won't. Why? You're not really asking that are you?
Because it's an UN-Apple device (the Samsung phone). The McApple will not listen to anything it has to say; but rather taunts the "outsider" device; it indicates to the electronics of the Samsung phone, that - yes - it IS connected to a USB 3.0 port, AND that it's GOT several extra amps lying about the living room carpet, but
FACE PALMS the Samsung phone, and will
STILL only put out half an amp!
"Wait!" you say? "Even if everything you've said thus far is true," Gasp!! "The Samsung phone is, after all, STILL getting
half an amp! That's, at least, SOMETHING!"
Yes, it is.
The reason the Samsung phone won't charge, but will - in fact, (though more slowly) DISCHARGE, even while plugged into the half-assed, I mean half-amped McApple Anti-Standard "think diferrent" (sic) USB 3.0 port; is because of the spanking-new chemical composition in the types of batteries utilized in many of today's devices. (Relax, I'm not going to give details) Except, to say that these new battery formulations, unlike Nickle Cadmium or Lithium Ion...well, never mind.
Bottom Line: The new battery formulations require slower charging. What you're experiencing in the case of the Note 2, and Note 3, the charging is weaker than the Phone's actual needs, (we all have needs) compared to the power output that the (McApple is willing to do as a "HUGE FAVOR") USB port is giving out.
Resolutions:
1. Refuse to purchase another McProduct ever again (goes without saying).
2. Use the Samsung or other power adapters, including car cigarette lighter adapters, that specifically indicate "2.1 Amps Output", ("Oh stop, you don't owe us a thing!").
3. Turn the Note's power OFF, while charging, so that all the juice you're pushing in to the battery, doesn't leak out of the other side like an Olestra potato chip. (
Frito-Lays Own Study: Olestra Causes "Anal Oil Leakage")
I think we've ALL learned something today; albeit probably not the same thing.
-RANT.com
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